<template>
  <view>
    <view class="cu-custom" :style="[{height:CustomBar + 'px'}]">
      <view class="cu-bar fixed" :style="style" :class="[bgImage!=''?'none-bg text-white bg-img':'',bgColor]">

        <view class="action" @tap="BackPage" v-if="isBack">
          <text class="cuIcon-back text-gray"></text>
          <slot name="backText"></slot>
        </view>
        <view class="action" v-else>
          <slot name="backText"></slot>
        </view>
        <view class="content text-title text-xxl" :style="[{top:StatusBar + 'px'}]">
          <slot name="content"></slot>
        </view>
        <!--#ifndef MP-WEIXIN-->

        <slot name="right"></slot>
        <!-- #endif-->

      </view>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      StatusBar: this.StatusBar,
      CustomBar: this.CustomBar
    };
  },
  name: 'nui-custom',
  computed: {
    style() {
      var StatusBar = this.StatusBar;
      var CustomBar = this.CustomBar;
      var bgImage = this.bgImage;
      var style = `height:${CustomBar}px;padding-top:${StatusBar}px;`;
      if (this.bgImage) {
        style = `${style}background-image:url(${bgImage});`;
      }
      return style
    }
  },
  props: {
    bgColor: {
      type: String,
      default: ''
    },
    isBack: {
      type: [Boolean, String],
      default: false
    },
    bgImage: {
      type: String,
      default: ''
    },
  },
  methods: {
    BackPage() {
      if (getCurrentPages().length < 2 && 'undefined' !== typeof __wxConfig) {
        let url = '/' + __wxConfig.pages[0]
        return uni.redirectTo({url})
      }
      uni.navigateBack({
        delta: 1
      });
    }
  }
}
</script>

<style>

</style>
